/*
 * RootSetProvider.java    ver   05/dic/2009
 *
 * Copyright (c) 2009 mentalsmash.org
 * 
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 *
 * The use of the Apache License does not indicate that this project is
 * affiliated with the Apache Software Foundation.
 */ 
package org.mentalsmash.tazio.transactions.objects;

import org.mentalsmash.tazio.cache.OIDAlreadyInUseException;
import org.mentalsmash.tazio.cache.ServerCache;
import org.mentalsmash.tazio.commons.TazioRuntimeException;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

import com.google.inject.Inject;
import com.google.inject.Provider;

/**
 * @version    ver    05/dic/2009    
 * @author     Andrea Reale <andrea.reale@gmail.com>
 *
 */
public class RootSetProvider implements Provider<RootSet> {

    private final static Logger log = LoggerFactory.getLogger(RootSetProvider.class);
    private final ServerCache rmCache;
    
    @Inject
    RootSetProvider(ServerCache cache) {
	this.rmCache = cache;
    }
    
    /* (non-Javadoc)
     * @see com.google.inject.Provider#get()
     */
    @Override
    public RootSet get() {
	RootSet rs = new TazioRootSet();
	
	try {
	    this.rmCache.addObject(RootSet.ROOT_SET_OID, rs);
	} catch (OIDAlreadyInUseException e) {
	    log.error("Double registration of the RootSet!!",e);
	    throw new TazioRuntimeException(e);
	}
	
	return rs;
	
	
    }

}
